Customizable Flexibility: PolyFlex TPU95 is a 1.75 flexible TPU filament (thermoplastic polyurethane) with a Shore A hardness of 95A and over 400% strain-to-failure. Unlike many flexible filaments, PolyFlex is compatible with nearly all desktop FDM/FFF printers without any hardware modifications. Tangle and Moisture-Free: Polymaker TPU filament is carefully wound to prevent tangling and is dried and vacuum-sealed in a resealable ziplock bag with a desiccant. Always keep the tip secure to avoid nodes, and use the side holes on the spool to help prevent tangling. Flexible, Strong, Consistent & Outstanding Layer Adhesion: Polymaker TPU filament is easy to print, providing excellent flexibility and shape memory. Its robust rubbery texture and outstanding layer adhesion ensure bubble-free, jam-free, and warp-free prints when using the correct settings. Unlock Your Creativity: PolyFlex 1.75 TPU filament is ideal for creating wear seals, plugs, gaskets, sheets, keyring cases, and compo